A police horse rears up as pro-union protestors clash with pro-independence protestors during a demonstration at George Square in Glasgow, Scotland September 19, 2014. Scotland spurned independence in a historic referendum on Thursday, saving a union dating back over 300 years but ushering in a period of intense bargaining over Britain's Prime Minister David Cameron's pre-vote pledges to give Scots more say over their own affairs. REUTERS/Cathal McNaughton (BRITAIN - Tags: CRIME LAW POLITICS ELECTIONS CIVIL UNREST ANIMALS TPX IMAGES OF THE DAY)